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Finding the Fourth Proportional to 541,303.70, 811,955.55 and 512,273.30

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Solution

The fourth proportional to 541,303.70, 811,955.55 and 512,273.30 is: 768,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,303.70 : 811,955.55 = 512,273.30 : x
  2. Step 2: Convert to fraction form
    541,303.70/811,955.55 = 512,273.30/x
  3. Step 3: Cross multiply
    541,303.70x = 811,955.55 × 512,273.30
  4. Step 4: Simplify right side
    541,303.70x = 415,943,149,051.82
  5. Step 5: Solve for x
    x = 415,943,149,051.82/541,303.70
  6. Step 6: Final answer
    x = 768,409.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.